A man was exploring（探测）some caves on the beach.ln one of them he found a bag with many
clay（泥）balls. It seemed that someone had made them and had left them there. They interested the
man very much,so he took the bag out of the cave with him.
       As he was walking down the beach,he threw one clay ball at a time into the sea as far as he could.
       He didn't think much of it until he dropped one of the balls. The clay ball broke,and a beautiful,
precious stone came out of it.Excited,the man started breaking the other clay balls. He found that they
all had similar treasure in them. He found treasure that is worth thousands of dollars in the 20 left clay
balls.
       He regretted that he had thrown away about 50 0r 60 of the clay balls into the sea. He could have
had a lot more money.
       This is just like what happens in life. We look at people,maybe even ourselves,only from the outside. The outside doesn't look beautiful,so we pay no attention to them and only envy(羡慕)people who are
beautiful or famous. We don't notice that we may have missed the treasure inside those people.

1. 将文中画线的句子翻译成汉语。
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2. 文中画线的单词precious的汉语意思是：
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3. How should we look at people including ourselves?
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4. 从文中找出与下面句意义相近的句子。    
       While he was walking along the beach,he threw one clay ball each time into the sea as far as he could throw.                                                          

5. The best title for the passage is"              ".

A. Clay Balls      
B. Hidden Treasure      
C. Treasure Worth Thousands of  Dollars